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Khan Academy (English - US curriculum)
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Khan Academy (English - US curriculum)
Math by grade
High school
Algebra 1
Functions
Evaluating functions
Evaluating functions
What is a function?
Worked example: Evaluating functions from equation
Evaluate functions
Worked example: Evaluating functions from graph
Evaluating discrete functions
Evaluate functions from their graph
Worked example: evaluating expressions with function notation
Evaluate function expressions
